.line-container {
  position: fixed;
  top: 50%;
  left: 70px;
  transform: translateY(-50%);
  width: 60px;
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 0 8px 0 rgba(0, 0, 0, 0.1);
  padding: 0.5rem;

  .line-header {
    text-align: center;
    font-size: 0.8rem;
    color: #666;
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #eee;
  }

  .line-content {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;

    .line-item {
      width: 40px;
      height: 40px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 6px;
      cursor: pointer;
      transition: all 0.2s ease;

      &:hover {
        background-color: #f0f0f0;
      }

      &.active {
        background-color: #e6f7ff;
        border: 1px solid #1890ff;
      }

      .line-icon {
        position: relative;
        display: flex;
        align-items: center;
        justify-content: center;

        .iconfont {
          font-size: 1.2rem;
          color: #333;
        }

        .arrow-indicator {
          position: absolute;
          top: -5px;
          right: -5px;
          font-size: 0.6rem;
          color: #1890ff;
          font-weight: bold;
        }
      }
    }
  }
}
